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Re: More on compile performance of Linux kernels in mainline gcc
On Wed, 2004-11-03 at 11:34, Jan Hubicka wrote:
> The hot/cold paritioning heuristics declare basic block hot iff it
> executes at least 10000 fewer times than the most hot basic block in
> program, this seemed quite conservative at first glance...
That depends on how long the program runs.
Surely the heuristic should be based on ratios not on absolute numbers.
R.